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我的程序以前是STM32F103RBT6的  现在换成CBT6 64脚变成48脚但是都是公用STM32F10的库

我可以用SWD（VCC DIO CLK GND）下载。但是用JLINK下载的时候就出现这个错误 我JLINK 是用（GND

TMS TCK RST）采用外部供电但是就是下载不了 但是能搜索到芯片。

我下面是下载信息

* JLink Info: Found SWD-DP with ID 0x1BA01477
* JLink Info: Found SWD-DP with ID 0x1BA01477
* JLink Info: Found Cortex-M3 r1p1, Little endian.
* JLink Info: FPUnit: 6 code (BP) slots and 2 literal slots
* JLink Info: TPIU fitted.
ROMTableAddr = 0xE00FF003

Target info:
------------
Device: STM32F103CB
VTarget = 3.300V
State of Pins:
TCK: 0, TDI: 0, TDO: 1, TMS: 1, TRES: 1, TRST: 0
Hardware-Breakpoints: 6
Software-Breakpoints: 8192
Watchpoints:          4
JTAG speed: 2000 kHz

Full Chip Erase Done.
Programming Failed!
Error: Flash Download failed  -  "Cortex-M3"

各位大大在线等。。。很紧急的